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EP 2 137 222 A1

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(43) Date of publication: 30.12.2009 Bulletin 2009/53 (21) Application number: 08732649.2 (22) Date of filing: 21.03.2008

(51) International Patent Classification (IPC):  C08F 8/30(2006.01) C08F 8/22(2006.01) G02F 1/13363(2006.01) C08F 8/20(2006.01) G02B 5/30(2006.01) (86) International application number: PCT/US2008/057811 (87) International publication number: WO 2008/121584 (09.10.2008 Gazette 2008/41)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 29.03.2007 US 731366 (71) Applicant: Akron Polymer Systems Akron, Ohio 44305 (US)

(72) Inventors: GERMROTH, Ted Calvin Kingsport, TN 37664 (US) ZHENG, Xiaoliang Joe Akron, OH 44320 (US) KUO, Thauming Kingsport, TN 37664 (US) ZHANG, Dong Uniontown, OH 44685 (US) KING, Brian Michael Jonesborough, TN 37659 (US) HARRIS, Frank W. Boca Raton, FL 33847 (US) JING, Jiaokai Alexander Uniontown, OH 44685 (US) (74) Representative: Hansen, Norbert et al Maiwald Patentanwalts GmbH Elisenhof Elisenstraße 3 80335 München 80335 München (DE)